Home / 747,691.42-1,031,831.85-408,162.10

Finding the Fourth Proportional to 747,691.42, 1,031,831.85 and 408,162.10

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Solution

The fourth proportional to 747,691.42, 1,031,831.85 and 408,162.10 is: 563,273.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,691.42 : 1,031,831.85 = 408,162.10 : x
  2. Step 2: Convert to fraction form
    747,691.42/1,031,831.85 = 408,162.10/x
  3. Step 3: Cross multiply
    747,691.42x = 1,031,831.85 × 408,162.10
  4. Step 4: Simplify right side
    747,691.42x = 421,154,654,742.89
  5. Step 5: Solve for x
    x = 421,154,654,742.89/747,691.42
  6. Step 6: Final answer
    x = 563,273.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.